Rhyncaphytoptus spinus
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Ordo: Trombidiformes
Familia: Eriophyidae
Genus: Rhyncaphytoptus
Name
Rhyncaphytoptus spinus Li & Xue & Hong, 2012 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
Female. (n = 6) Body fusiform, light yellow, 270 (232–323), 82 (82–91) wide, 105 (104–105) thick. Gnathosoma 58 (56–59), projecting downwards, suboral plate present, pedipalp coxal seta (ep) 4 (4–5), dorsal pedipalp genual seta (d) 10 (9–11), palp tarsus ventral seta (v) 4 (3–4), cheliceral stylets 71 (71–72). Prodorsal shield 38 (38–40), 60 (57–64) wide, with broad frontal lobe, 7 (6–7); median, admedian and submedian lines present, median, admedian lines connected at basal 1/3 and 2/3 of prodorsal shield, forming three cells each both side. Scapular tubercles ahead of rear shield margin, 6 (5–6), 34 (34–40) apart, scapular setae (sc) 21 (21–25), projecting forward, knobbed at the end. Coxigenital region with 15 (14–15) annuli, with microtubercles. Coxisternal plates smooth, anterolateral setae on coxisternum I (1b) 28 (26–28), 16 (16–18) apart, proximal setae on coxisternum I (1a) 46 (44–46), 10 (10–13) apart, proximal setae on coxisternum II (2a) 80 (71–80), 30 (30–36) apart, tubercles 1b and 1a 6 (5–7) apart, tubercles 1a and 2a 9 (9–13) apart. Prosternal apodeme combined, 6 (6–7). Leg I 44 (43–49), femur 16 (16–17), basiventral femoral seta (bv) 18 (15–20); genu 8 (8–9), antaxial genual seta (l") 30 (30–32); tibia 12 (12–13), paraxial tibial seta (l’) 14 (14–17), located at 1/3 from dorsal base; tarsus 9 (9–10), seta ft’ 26 (24–28), seta ft" 35 (34–35), seta u’ 8 (6–8); tarsal empodium (em) 12 (12–13), simple, 8-rayed, tarsal solenidion (ω) 11 (10–11), tapered. Leg II 41 (41–46), femur 14 (14–16), basiventral femoral seta (bv) 18 (18–19); genu 7 (7–8), antaxial genual seta (l") 10 (10–11); tibia 11 (10–11); tarsus 8 (8–10), seta ft’ 12 (12–13), seta ft" 34 (34–34), seta u’ 7 (6–7); tarsal empodium (em) 12 (12–13), simple, 8-rayed, tarsal solenidion (ω) 11 (10–11), tapered. Opisthosoma dorsally with 38 (38–42) annuli, with long spiny microtubercles, ventrally with 98 (97–98) annuli, with triangle microtubercles. Setae c2 33 (31–33) on ventral annulus 17 (17–19), 76 (71–76) apart; setae d 97 (95–97) on ventral annulus 38 (38–40), 53 (53–69) apart; setae e 41 (41–45) on ventral annulus 60 (59–61), 31 (31–39) apart; setae f 36 (36–38) on ventral annulus 92 (92–93), 28 (28–30) apart. Setae h1 5 (5–6), h2 110 (110–115). Female genitalia 21 (18–21), 32 (32–35) wide, coverflap smooth, setae 3a 75 (70–75), 20 (20–23) apart.
Male. Unknown.
Type material
Holotype, female (slide number NJAUEri820, marked Holotype), from Lonicera rupicola Hook. f. et Thoms. (Caprifoliaceae), Beishan National Forest Park, Huzhu County, Qinghai Province, P. R. China, 36°53'35"N, 102°25'56"E, elevation 2610m, 22 July 2007, coll. Xiao-Feng Xue. Paratypes, 5 females (slide number NJAUEri820), with the same data as holotype.
Relation to host
Vagrant on leaf lower surface. No damage to the host was observed.
Etymology
The specific designation spinus is from the character of the dorsal opisthosomal microtubercles, spiny, “spina, spinus” in Latin; masculine in gender.
Differential diagnosis
This species is similar to Rhyncaphytoptus guanegounis Song, Xue & Hong, 2007b, but can be differentiated from the latter by median, admedian and submedian lines present on prodorsal shield (prodorsal shield smooth in Rhyncaphytoptus guanegounis), prodorsal shield with wide and broad frontal lobe (prodorsal shield with long and broad frontal lobe in Rhyncaphytoptus guanegounis), opisthosomal dorsal annuli with spiny microtubercles (opisthosomal dorsal annuli smooth in Rhyncaphytoptus guanegounis), tarsal empodium (em) 8-rayed (6-rayed in Rhyncaphytoptus guanegounis).
Original Description
- Li, H; Xue, X; Hong, X; 2012: Eriophyoid mites from Qinghai Province, northwestern China with descriptions of nine new species (Acari, Eriophyoidea) ZooKeys, 196: 47-107. doi
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